The orientability of spacetime

Autor: Mark J Hadley
Rok vydání: 2002
Předmět:
Zdroj: Classical and Quantum Gravity. 19:4565-4571
ISSN: 0264-9381
DOI: 10.1088/0264-9381/19/17/308
Popis: Contrary to established beliefs, spacetime may not be time-orientable. By considering an experimental test of time orientability it is shown that a failure of time-orientability of a spacetime region would be indistinguishable from a particle antiparticle annihilation event.
5 Pages plus 3 figures. More explanations added as requested by referees. Figures enhanced
Databáze: OpenAIRE